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Finding the Fourth Proportional to 336,853.64, 504,983.16 and 137,340.92

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Solution

The fourth proportional to 336,853.64, 504,983.16 and 137,340.92 is: 205,890.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,853.64 : 504,983.16 = 137,340.92 : x
  2. Step 2: Convert to fraction form
    336,853.64/504,983.16 = 137,340.92/x
  3. Step 3: Cross multiply
    336,853.64x = 504,983.16 × 137,340.92
  4. Step 4: Simplify right side
    336,853.64x = 69,354,851,778.91
  5. Step 5: Solve for x
    x = 69,354,851,778.91/336,853.64
  6. Step 6: Final answer
    x = 205,890.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.